320314223 has 2 divisors, whose sum is σ = 320314224. Its totient is φ = 320314222.

The previous prime is 320314219. The next prime is 320314229. The reversal of 320314223 is 322413023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320314223 - 2² = 320314219 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 320314195 and 320314204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320314229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160157111 + 160157112.

It is an arithmetic number, because the mean of its divisors is an integer number (160157112).

Almost surely, 2^320314223 is an apocalyptic number.

320314223 is a deficient number, since it is larger than the sum of its proper divisors (1).

320314223 is an equidigital number, since it uses as much as digits as its factorization.

320314223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320314223 is about 17897.3244648467. The cubic root of 320314223 is about 684.2141861693.

Adding to 320314223 its reverse (322413023), we get a palindrome (642727246).

The spelling of 320314223 in words is "three hundred twenty million, three hundred fourteen thousand, two hundred twenty-three".